Home / 372,110.55-513,496.93-210,976.44

Finding the Fourth Proportional to 372,110.55, 513,496.93 and 210,976.44

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Solution

The fourth proportional to 372,110.55, 513,496.93 and 210,976.44 is: 291,138.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,110.55 : 513,496.93 = 210,976.44 : x
  2. Step 2: Convert to fraction form
    372,110.55/513,496.93 = 210,976.44/x
  3. Step 3: Cross multiply
    372,110.55x = 513,496.93 × 210,976.44
  4. Step 4: Simplify right side
    372,110.55x = 108,335,754,242.33
  5. Step 5: Solve for x
    x = 108,335,754,242.33/372,110.55
  6. Step 6: Final answer
    x = 291,138.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.